Page:Plates illustrating the natural and morbid changes of the human eye.djvu/35

Rh PLATE X. Fig. 31. Choroido -retinitis with numerous blood spots and yellow spots in the retina', "Retinitis apoplectica"

Observed in persons suffering from Albuminuria. The yellowish-pink optic disc is represented in the middle of the figure. (Swelling and los3 of transparency, &c., of the retina and choroid cause the optic disc to appear at first ill- defined, somewhat resembling the one in Plate VI. Fig. 11. Gradually it became more defined, as shown in Fig. 31.)

The yellow spots are those which are more particularly observed with retinitis appearing during albuminuria, and especially during Bright's disease. These spots are seated some in the retina, some in the choroid, and by preference round the optic disc and in the region of the yellow spot.

A large oval-shaped yellow spot of this kind is represented to the right of the optic disc, and two are seen surrounded by blood spots, near the lower margin of the disc.

(The spots examined minutely consisted of an agglomeration of semi-transparent yellowish granule cells.)

The blood spots are very numerous; some have a striated appearance (yellowish and red streaks standing side by side),—others surround the yellow spots.

The blood-vessels of the retina are unequally dilated, tortuous, and varicose. Long tracts of the walls of some of the vessels seem to have given way. Some of the vessels are lost sight of in the blood spots, others can be traced beyond.

(The appearance of the blood spots is, in many cases, preceded by hyperemia of the retina, and in most it is followed by well-marked retinitis.)

Fig. 32. ''Left eye. The region of the yellow spot.''

Intraocular haemorrhage.

The peculiarity of this case was that instead of a red reflection being